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公开(公告)号:US20220328742A1
公开(公告)日:2022-10-13
申请号:US17843314
申请日:2022-06-17
Applicant: Samsung Display Co., Ltd.
Inventor: Dae Hyun KIM , Hyun Min CHO , Hyun Deok IM , Jong Hyuk KANG , Keun Kyu SONG , Joo Yeol LEE , Bek Hyun LIM , SUNG-CHAN JO
IPC: H01L33/62 , H01L25/075 , H01L25/16 , H01L27/12 , H01L33/38
Abstract: A light emitting device may include: a substrate including a plurality of unit light emitting regions; and first to fourth insulating layers sequentially on the substrate. Each of the unit light emitting regions may include: at least one light emitting element on the first insulating layer, the at least one light emitting element having a first end portion and a second end portion in a length direction thereof; first and second partition walls on the substrate, and the first and second partition walls being spaced apart from each other; a first reflective electrode on the first partition wall and a second reflective electrode on the second partition wall; a first contact electrode on the first reflective electrode, the first contact electrode connecting the first reflective electrode and the first end portion of the light emitting element; a second contact electrode on the second reflective electrode, the second contact electrode connecting the second reflective electrode and the second end portion of the light emitting element; and a conductive pattern provided between the first insulating layer and the first contact electrode, the conductive pattern surrounding the first and second reflective electrodes when viewed on a plane.
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公开(公告)号:US20220310876A1
公开(公告)日:2022-09-29
申请号:US17532312
申请日:2021-11-22
Applicant: Samsung Display Co., LTD.
Inventor: An Na RYU , Jin Oh KWAG , Jong Hyuk KANG , Sung Hoon KIM
Abstract: A display device manufacturing apparatus includes a first reservoir accommodating a solvent; a second reservoir accommodating a light emitting element; a mix chamber accommodating an ink including the solvent and the light emitting element ; a first channel connecting the first reservoir and the mix chamber; a second channel connecting the second reservoir and the mix chamber; and a counter that obtains information on a number of the light emitting elements that are moved in the second channel.
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公开(公告)号:US20220223760A1
公开(公告)日:2022-07-14
申请号:US17614724
申请日:2020-05-20
Applicant: Samsung Display Co., LTD.
Inventor: Hyun Deok IM , Jong Hyuk KANG , Dae Hyun KIM , Won Hee NAM , Ki Sun JANG , Hyun Min CHO
Abstract: A display device includes at least one pixel; at least one electrode spaced apart from each other in each of the at least one pixel; and at least one light-emitting element disposed between the at least one electrode, wherein the at least one electrode include at least one inner electrode disposed adjacent to the center of each of the at least one pixel; and at least one outer electrode spaced apart from each of the at least one inner electrode, a distance between the central portion of the at least one pixel and the at least one outer electrode is greater than a distance between the central portion of the at least one pixel and the inner electrode, and a width of the at least one inner electrode is different from a width of the at least one outer electrode.
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公开(公告)号:US20220149244A1
公开(公告)日:2022-05-12
申请号:US17602138
申请日:2020-01-16
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Won Ho LEE , Jong Hyuk KANG , Hyun Deok IM , Hyun Min CHO
Abstract: A pixel includes electrode pairs successively disposed in a first direction, and each including a first sub-electrode and a second sub-electrode successively disposed in the first direction; light emitting elements each electrically connected between the first sub-electrode and the second sub-electrode of any one the electrode pairs; a first connection electrode electrically connected between the first sub-electrode of a first electrode pair and a first power supply; and a second connection electrode electrically connected between the second sub-electrode of a last electrode pair and a second power supply. The second sub-electrode of a remaining electrode pair other than the last electrode pair is spaced apart from the first sub-electrode of a subsequent electrode pair with at least one first sub-electrode or at least one second sub-electrode disposed therebetween, and is electrically connected to the first sub-electrode of the subsequent electrode pair.
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公开(公告)号:US20220131047A1
公开(公告)日:2022-04-28
申请号:US17494446
申请日:2021-10-05
Applicant: Samsung Display Co., LTD.
Inventor: Hyun Deok IM , Jong Hyuk KANG , Jung Hyun AHN , Won Ho LEE , Hae Yun CHOI
Abstract: A display device comprises a first electrode and a second electrode on a substrate, a first insulating layer on the first electrode and the second electrode, light emitting elements on the first insulating layer each having a first end on the first electrode and a second end on the second electrode, a first connection electrode disposed on the first electrode and electrically contacting the first end of each of the light emitting elements, a second connection electrode disposed on the second electrode and electrically contacting the second end of each of the light emitting elements, a second insulating layer on the light emitting elements, the first connection electrode and the second connection electrode, and a third connection electrode disposed on the second insulating layer and electrically contacting the light emitting elements through an opening formed in the second insulating layer that partially exposes the light emitting elements.
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公开(公告)号:US20220085246A1
公开(公告)日:2022-03-17
申请号:US17411664
申请日:2021-08-25
Applicant: Samsung Display Co., LTD.
Inventor: Buem Joon KIM , Won Ho LEE , Hyun Deok IM , Jong Hyuk KANG , Eun A CHO
Abstract: A display device comprises a substrate, a first electrode and a second electrode disposed on the substrate, a first insulating layer disposed on the first electrode and the second electrode, first light emitting elements disposed on the first insulating layer, a first connection electrode disposed on the first electrode to contact first ends of the first light emitting elements and a second connection electrode disposed on the second electrode to contact second ends of the first light emitting elements, a second insulating layer disposed on the first light emitting elements, the first connection electrode and the second connection electrode, second light emitting elements disposed on the second insulating layer, a third connection electrode disposed on the first connection electrode to contact first ends of the second light emitting elements, and a fourth connection electrode disposed on the second connection electrode to contact second ends of the second light emitting elements.
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公开(公告)号:US20220005978A1
公开(公告)日:2022-01-06
申请号:US17295403
申请日:2019-05-20
Applicant: Samsung Display Co., Ltd.
Inventor: Hyun Deok IM , Jong Hyuk KANG , Hyun Min CHO
Abstract: A light emitting device may include: an emission area; an insulating pattern in the emission area, the insulating pattern including at least one recess and a protrusion around the recess; a first electrode on the insulating pattern and overlapping a first area of the recess and the protrusion in a periphery of the first area; a second electrode on the insulating pattern and spaced from the first electrode in a first direction, the second electrode overlapping a second area of the recess and the protrusion in a periphery of the second area; and a light emitting diode in the recess and electrically connected between the first electrode and the second electrode.
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公开(公告)号:US20210343894A1
公开(公告)日:2021-11-04
申请号:US17377266
申请日:2021-07-15
Applicant: Samsung Display Co. Ltd.
Inventor: Jung Hong MIN , Dae Hyun KIM , Hyun Min CHO , Jong Hyuk KANG , Dong Uk KIM , Seung A LEE , Hyun Deok IM , Hyung Rae CHA
Abstract: Provided is a method of manufacturing a light-emitting element, the method including positioning a substrate, forming a first separation layer, which includes a first sacrificial layer, an etching control layer on the first sacrificial layer, and a second sacrificial layer on the etching control layer, on the substrate, forming at least one first light-emitting element on the first separation layer, and separating the first light-emitting element from the substrate.
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29.
公开(公告)号:US20210091255A1
公开(公告)日:2021-03-25
申请号:US17110574
申请日:2020-12-03
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Jung Hong MIN , Dae Hyun KIM , Seung A LEE , Hyun Min CHO , Jong Hyuk KANG , Dong Uk KIM , Hyun Deok IM , Hyung Rae CHA
IPC: H01L33/00 , H01L27/15 , H01L33/32 , H01L21/302
Abstract: A light emitting element, a method of manufacturing a light emitting element, and a display device including a light emitting element are provided. A method of manufacturing a light emitting element includes: preparing a lower panel including a substrate and a first sub conductive semiconductor layer on the substrate; forming a first mask layer including at least one mask pattern on at least a part of the lower panel to be spaced apart from each other and an opening region in which the mask patterns are spaced apart from each other; laminating a first conductive semiconductor layer, an active material layer, and a second conductive semiconductor layer on the first mask layer to form an element laminate; etching the element laminate in a vertical direction to form an element rod; and removing the mask pattern to separate the element rod from the lower panel.
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30.
公开(公告)号:US20190378953A1
公开(公告)日:2019-12-12
申请号:US16274109
申请日:2019-02-12
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Jung Hong MIN , Dae Hyun KIM , Seung A LEE , Hyun Min CHO , Jong Hyuk KANG , Dong Uk KIM , Hyun Deok IM , Hyung Rae CHA
Abstract: A light emitting element, a method of manufacturing a light emitting element, and a display device including a light emitting element are provided. A method of manufacturing a light emitting element includes: preparing a lower panel including a substrate and a first sub conductive semiconductor layer on the substrate; forming a first mask layer including at least one mask pattern on at least a part of the lower panel to be spaced apart from each other and an opening region in which the mask patterns are spaced apart from each other; laminating a first conductive semiconductor layer, an active material layer, and a second conductive semiconductor layer on the first mask layer to form an element laminate; etching the element laminate in a vertical direction to form an element rod; and removing the mask pattern to separate the element rod from the lower panel.
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